Dr. John Demartini, Author, Lecturer. You might have seen him in the movie The Secret, John Demartini, a doctor of chiropractic, gave up his practice to become a philosopher, teacher, and an author 37 years ago. He finds many people wrongly feel guilty for desiring great wealth. He has published over 40 books in 26 different languages. He discusses lessons from one of his books, How to Make a Hell of a Profit and Still Get to Heaven. Find out what may block you from getting what you want. Green Tip: David Hitchcock discusses green cars.